Crankcases & Parts

Upgrade the breather in your Evo with some modern technology. Fits: 1993-1999 Evolution Big Twin Style Engine New-style breather is not dependent on the rotation of the crankshaft to make it open and close. Instead, reeds open when pressure in the...

Shipped assembled. Fits: FL 1941-1947 74" Short block is shipped fully assembled. Unit features Replica crankcases, Sifton oil and breather assembly, stock stroke flywheel, Timken bearings, stock cam properly installed with a matched pinion and cam...

Replace your stock lower end with an S&S Short block. Black finish. Fits: 1984-1991 Evolution Big Twin Short Blocks combine a high-performance S&S Super Stock engine case assembly with installed 4.25" stroke S&S flywheels and connecting...

Replace your stock lower end with an S&S Short block. Fits: 1984-1991 Evolution Big Twin Short Blocks combine a high-performance S&S Super Stock engine case assembly with installed 4.25" stroke S&S flywheels and connecting rods EFI...

Replace your stock lower end with an S&S Short block. Black finish. Fits: 1992-1999 Evolution Big Twin Short Blocks combine a high-performance S&S Super Stock engine case assembly with installed 4.25" stroke S&S flywheels and connecting...

Replace your stock lower end with an S&S Short block. Fits: 1992-1999 Evolution Big Twin Short Blocks combine a high-performance S&S Super Stock engine case assembly with installed 4.25" stroke S&S flywheels and connecting rods EFI...